dong

Etymology 1

Borrowed from Vietnamese đồng, from Middle Chinese 銅 (duŋ, “copper”), from Old Chinese 銅 (*doːŋ). Cognate with Mandarin 銅／铜 (tóng, “copper”).

noun

1. The currency of Vietnam, 100 xus. Symbol: ₫
2. (historical) The currency of South Vietnam, 100 xus. Symbol: Đ.

Etymology 2

Unknown. Perhaps from The Dong with a Luminous Nose, an 1894 poem by Edward Lear about a mythical creature. Attested since the 1930s.

noun

1. (slang) The penis.
   "That American girl was after you too, wasn't she?" "She didn't mean anything she said. She was just after your dong. But it's mine." "For sure, Mary." 1955, J P Donleavy, The Ginger Man, published 1955 (France), page 344
   Nevertheless, I was wholly incapable of keeping my paws from my dong once it started the climb up my belly. 1969, Philip Roth, Portnoy’s Complaint, page 18
   Isn't it awfully nice to have a penis? Isn't it frightfully good to have a dong? 1983, “Penis Song”, in Monty Python's The Meaning of Life
2. (slang, by extension) A dildo, specifically a synthetic anatomical replica of the penis.

Etymology 3

Onomatopoeic

noun

1. A low-pitched, metallic ringing sound.

verb

1. To make a low-pitched, metallic ringing sound.

Etymology 4

Korean 동(洞) (dong, “neighborhood”)

noun

1. A submunicipal administrative unit of a city in North or South Korea.